Source: http://gizmodo.com/build-exactly-the-card-reader-you-need-with-this-modula-1277563423
Most card readers boast compatibility with almost every memory card format on the planet, but odds are you only ever use a couple of them at most. So Lexar has created a modular alternative it's calling the Professional Workflow HR1, with four bays that can be customized with your choice of compact flash, SD, or XQD card readers.